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Author Topic: [40+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 3853672 times)
5120-01-518-6126
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June 11, 2013, 08:11:23 PM
 #10001


btw does anyone have an idea what effects cgminers cpu usage? On my WinXP/2003 32bit machines (catalyst 11.11) cgminer uses about 70-80% and on my 64bit Win7/2008R2 machines (catalyst 13.1) it's only about 3-4%.

i'm asking this because cpu usage does affect power consumption

Can't base comparisons of power consumption on percent of cpu usage unless you have have reference data for all the hardware parts in the different machines and know all the software that's running.

For example, see http://superuser.com/questions/242562/why-does-windows-7-x64-work-faster-than-an-x86-edition-on-my-pc for some things to consider.
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June 11, 2013, 08:23:24 PM
 #10002


I am using 13.1 drivers I tried 13.2 but they cards mine like 10% slower so I am not going to install anything newer than 13.1... does 12.8 even have drivers for a 7870?


I'm getting 245/440/456 Mh on a 3x 7870 rig running 12.8 (using MSI for safe temp overclocks).
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June 11, 2013, 10:23:13 PM
 #10003


btw does anyone have an idea what effects cgminers cpu usage? On my WinXP/2003 32bit machines (catalyst 11.11) cgminer uses about 70-80% and on my 64bit Win7/2008R2 machines (catalyst 13.1) it's only about 3-4%.

i'm asking this because cpu usage does affect power consumption

I asked the same question in the cgminer thread.  I got some BS about drivers and SDKs.  Odd that two identical machines with identical drivers and the same cgminer config can vary between 75% and 2% CPU.  On a third identical machine cgminer won't even run.  All running 7x64, 12.8 drivers.

I've pretty much given up on cgminer and am using BFGminer, it's consistent and works.  And it works on the same machines cgminer just crashes on.  Roll Eyes

Thanks for that hint. Will give bfgminer a try.
With poclbm I had the same high cpu usage issue...
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June 11, 2013, 10:33:38 PM
 #10004

a power efficient power supply (=not too big! workload around 80% plus 80+ standard) would save some more watts.

btw does anyone have an idea what effects cgminers cpu usage? On my WinXP/2003 32bit machines (catalyst 11.11) cgminer uses about 70-80% and on my 64bit Win7/2008R2 machines (catalyst 13.1) it's only about 3-4%.

i'm asking this because cpu usage does affect power consumption

Actually PSU's are most efficient when they are at about 50% load, not 80%. Just sayin

Right! Thank you! I've corrected my original post.

Here's an good overview about psu efficiency/80 PLUS efficiency levels:
http://en.wikipedia.org/wiki/80_Plus
bspurloc
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June 12, 2013, 03:32:09 AM
 #10005

Is there any tricks to cut down the Video Driver from crashing. Besides lower GPU Mhz.
I am asking because I have 3 machines identical in all ways brand new win7 installs 64bit, Sapphire 7870xt cards.
I can run 2 no issues at 1200Mhz GPU mining 525 mh/s while the 3rd one the video driver seems to crash above 1145Mhz after several hours.
The 2 at 1200 run at 71C and 76C while the driver crashing one runs at 75C.


Did you look around for the version 12.8 drivers? Those seem to be the best to mine with. In any case, go to device manager, uninstall the driver, make sure when you click Uninstall, you check "Delete driver software for this device". Once uninstalled, try reinstalling (Preferably version 12.8 ).

I am using 13.1 drivers I tried 13.2 but they cards mine like 10% slower so I am not going to install anything newer than 13.1... does 12.8 even have drivers for a 7870?

When I tried the installer for 12.8 for my 7790, it said there was no compatible hardware found but going through the device manager and pointing to the folder where the installer extracted, it installed successfully and has been running stable since. When I had the latest driver installed, I had about 275 mh/s for bitcoin and 33 kh/s for litecoin. After going to 12.8, I get 308 mh/s and 220 kh/s.

Yeah I seem to remember trying 12.8 or some 12.x and it saying there was no driver for my 7870. I have another arriving soon maybe I will try that version with it. I've missed too many blocks messing with drivers! every time I choose to try and fix them we do 2 quick blocks or finish a long one making me get 0 shares for that miner cuz of the awesome Slush anti hopping algorithm Wink
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June 12, 2013, 04:04:58 AM
 #10006

I loved the 55 posts threshold Smiley
So did I... :-)

Quote
A little question, I need to cut cgminer in order to be able to use a rfid card reader on my computer (won't work for some reason if cgminer is running), what is the recommended delay before restarting the miner and not piss off the server ?
Have you tried to just lower the Intensity (e.g. switch it to "d") for a moment to be able to use the reader?
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June 12, 2013, 05:22:38 AM
 #10007

I've had cgminer with 100% cpu usage (actually 25%, cos it was 100% on one core...), solved it with updating drivers. Drivers does indeed affect in cpu usage. Atm, I generally use bfgminer on linux machines, cgminers in windows. Works best for me.

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
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June 12, 2013, 08:32:27 AM
 #10008

Something wrong with the following blocks:

18528 - my reward at 60%
18526 - my reward at 0.03%
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June 12, 2013, 08:40:12 AM
 #10009

18526   2013-06-12 07:19:23   3:52:04   43322066   2557   0.00000039   241068   25.33501327    86 confirmations left

i have same problem Sad
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June 12, 2013, 08:41:10 AM
 #10010

Why does Slush's scoring system punish heavily for adding another worker?

See below how my reward was wayy smaller from block #18526 after adding mighty 600 MH worker at 2013-06-12 07:07. My other 200 MH worker reward from block #18525 was 0.096% of next block's reward which had 200 MH worker running non-stop but 600 MH worker running only the last 12 minutes. Block 18527 had both my workers running.

#   Block found at   Duration   Total shares    Your shares    Your BTC reward    Block #   Block value   Validity
18527    2013-06-12 07:46:05    0:26:42    4758169    287    0.00128216    241071    25.08490896    92 confirmations left
18526    2013-06-12 07:19:23    3:52:04    43322066    780    0.00000042    241068    25.33501327    89 confirmations left
18525    2013-06-12 03:27:19    0:39:17    7372985    117    0.00043630    241039    25.12242555    60 confirmations left
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June 12, 2013, 08:44:58 AM
 #10011

the same problem

18527   2013-06-12 07:46:05   0:26:42   4758169   805   0.00414194   241071   25.08490896    89 potvrzení zbývá
18526   2013-06-12 07:19:23   3:52:04   43322066   7004   0.00000121   241068   25.33501327    86 potvrzení zbývá
18525   2013-06-12 03:27:19   0:39:17   7372985   1225   0.00369648   241039   25.12242555    57 potvrzení zbývá
18524   2013-06-12 02:48:02   4:42:35   53459272   8491   0.00362433   241033   25.03670000    51 potvrzení zbývá
mikimoto
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June 12, 2013, 08:46:17 AM
 #10012

same here:

18526   2013-06-12 07:19:23   3:52:04   43322066   17683   0.00000268   241068   25.33501327    85 confirmaciones pendientes
18525   2013-06-12 03:27:19   0:39:17   7372985   3044   0.00966817   241039   25.12242555    56 confirmaciones pendientes
18524   2013-06-12 02:48:02   4:42:35   53459272   21672   0.01090996   241033   25.03670000    50 confirmaciones pendientes
18523   2013-06-11 22:05:27   1:15:25   14487253   5731   0.01006198   240997   25.52886700    14 confirmaciones pendientes
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June 12, 2013, 08:58:45 AM
 #10013

Why does Slush's scoring system punish heavily for adding another worker?

This is not by design. The block will get recalculated and you then should see a reward around 0.0012, I estimate
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June 12, 2013, 09:10:13 AM
 #10014

Got nothing for 18526    2013-06-12 07:19:23    3:52:04    43322066    none    none    241068    25.33501327    79 confirmations left

Slush should really over work his scoring system
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June 12, 2013, 09:13:17 AM
 #10015

#18526 is repairing...

BTC: 1P4BnRN5REdNhQXQWs6ySbPVMdbTKd4dkN
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June 12, 2013, 09:15:17 AM
 #10016

Why does Slush's scoring system punish heavily for adding another worker?

This is not by design. The block will get recalculated and you then should see a reward around 0.0012, I estimate

Yes, I think you're right. Now it's showing none reward, so apparently recalculation is on.

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June 12, 2013, 09:26:34 AM
 #10017

#18526 seems to be recalculated as it should be at my end.

BTC: 1P4BnRN5REdNhQXQWs6ySbPVMdbTKd4dkN
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June 12, 2013, 11:34:05 AM
 #10018

Wow over 17000 GH/S

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June 12, 2013, 11:36:20 AM
 #10019

Wow the pool jumped 4 TH/s from last night (at my time). ASICs, someone is ether testing or just hope on to slush.

I really want a chart to see the highest hashers not just block finders.....
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June 12, 2013, 11:46:30 AM
 #10020

17000 GH/s  hopefully we might find a few more blocks now. 1-2 good days to 3-4 bad days is no fun.
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